Im sure it is A. Direct Object
The tone in the last stanza is regretful. The poem is about a man who received advice from a wise man that he can give away all his wealth but not his heart. He's told that once you give away your heart, you lose it and end up regretting it. He experiences it and regrets afterwards.
I think it means that they were ready to prove it no matter what it took but not really sure since I haven’t read the whole story
“The ship was as still as SHE could be” , they are personifying the ship as a she when it is not a living person
